Home / 102,214.78-141,074.97-61,963.04

Finding the Fourth Proportional to 102,214.78, 141,074.97 and 61,963.04

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Solution

The fourth proportional to 102,214.78, 141,074.97 and 61,963.04 is: 85,520.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,214.78 : 141,074.97 = 61,963.04 : x
  2. Step 2: Convert to fraction form
    102,214.78/141,074.97 = 61,963.04/x
  3. Step 3: Cross multiply
    102,214.78x = 141,074.97 × 61,963.04
  4. Step 4: Simplify right side
    102,214.78x = 8,741,434,129.43
  5. Step 5: Solve for x
    x = 8,741,434,129.43/102,214.78
  6. Step 6: Final answer
    x = 85,520.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.